Windfall: an amount of money that somebody/something wins or receives unexpectedly. Ganancia inesperada. E.g. the hospital got a sudden windfall of £300000.
Receipt: /rɪˈsiːt/ the act of receiving something. Recepción. E.g. to acknowledge receipt of a letter.
Outlook: the attitude to life and the world of a particular person, group or culture. Perspectiva, punto de vista. E.g. he had a practical outlook on life.
Contented: /kənˈtentɪd/ showing or feeling happiness or satisfaction, especially because your life is good. Satisfecho. E.g. a contented smile. He was a contented man.
Leap: a long or high jump. E.g. a leap of six metres
Wear off: to gradually disappear or stop. Pasar, desgastarse, desaparecer. E.g. the effects of the drug will soon wear off. The novelty of married life was beginning to wear off.
Contentment: /kənˈtentmənt/ a feeling of happiness or satisfaction. Satisfacción. E.g. he has found contentment at last. A sigh of contentment